8S Front-Rear Differential w/OS CTR Gear Bearing Set for Traxxas X-MAXX

TRB RC Front and Rear Differential With Center Gear Ball Bearing Set with Blue Rubber Seals Compatible with Traxxas X MAXX 8S.NOTE: Includes the 2 larger bearings for 8S Center Gear.Includes:1ea 12x18x4mm BLU-6701-2RS, Compatible with Traxxas # 51202ea 15x24x5mm BLU-6802-2RS, Compatible with Traxxas # 5106, 5106A6ea 17x26x5mm BLU-6803-2RS, Compatible with Traxxas # 5107A9 Ball Bearings TotalChromium Steel 52100 (GCr15) ABEC 3 Races Hard Chrome GCr15 BallsRubber Seals to Help Fight Dirt